A function which creates chunk of code with package installation for Dockerfile. It stores those commands in memory. Just paste it (Cmd + V) to the Dockerfile. It is so-called the 'silent function“ i.e. when a function executes successfully, no message shows up. Afterwards, you are ready to paste
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1 2 3 4 | ## Not run:
snapshot_pkg()
## End(Not run)
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